20391336

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{40459}}^1$

素因数の和:40478

約数の個数: 48

約数和(自身を含む): 63117600

約数和(自身を除く): 42726264

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 40459, 80918, 121377, 161836, 242754, 283213, 323672, 364131, 485508, 566426, 728262, 849639, 971016, 1132852, 1456524, 1699278, 2265704, 2548917, 2913048, 3398556, 5097834, 6797112, 10195668, 20391336]

約数ペア:

[(1, 20391336), (2, 10195668), (3, 6797112), (4, 5097834), (6, 3398556), (7, 2913048), (8, 2548917), (9, 2265704), (12, 1699278), (14, 1456524), (18, 1132852), (21, 971016), (24, 849639), (28, 728262), (36, 566426), (42, 485508), (56, 364131), (63, 323672), (72, 283213), (84, 242754), (126, 161836), (168, 121377), (252, 80918), (504, 40459)]